Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes
Reexamination Certificate
2003-05-30
2010-06-29
Hartley, Michael G (Department: 1618)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Liposomes
C516S009000
Reexamination Certificate
active
07744919
ABSTRACT:
A micelle drug composition having an enhanced drug-loading capacity and improved sustained-release characteristics comprising an amphiphilic block copolymer including at least one hydrophilic blocks and at least one hydrophobic blocks. The block copolymer comprises functional groups selected from the group consisting of carboxyl, amine, hydroxyl, amide, thiol and sulfonic acid groups, in the hydrophobic block chain of the copolymer, and the average number of the functional groups range from 1.1 to 30.
REFERENCES:
patent: 5702717 (1997-12-01), Cha et al.
Cammas et al., 1993, Macromolecules, 26, pp. 4681-4684.
Jaeyoung Lee, et al., Incorporation and release behavior of hydrophobic drug . . . ; Journal of Controlled Release 94 (2004) 323-335.
Cho Kilwon
Lee Jae Young
Baker & Hostetler LLP
Hartley Michael G
Postech Foundation
Rogers James W
LandOfFree
Block copolymer micelle composition having an enhanced... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Block copolymer micelle composition having an enhanced..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Block copolymer micelle composition having an enhanced... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4249161